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Mod of negative number is melting my brain
...erator is actually NOT a modulo, it's remainder. " Thanks, it makes sense now, always wonder why it never worked properly with negative numbers.
– leetNightshade
Apr 1 '12 at 23:36
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center aligning a fixed position div
...your element in the fixed wrapper*/
display: flex;
flex-flow: column nowrap;
justify-content: center; /* aligns on vertical for column */
align-items: center; /* aligns on horizontal for column */
/* just for styling to see the limits */
border: 2px dashed red;
box-sizing: b...
How do I use boolean variables in Perl?
...er than the right argument. Its not boolean but sometimes you may want to know if one argument ir equal or less than or greater than the other instead of just equal or not equal.
– user118435
Jun 24 '09 at 6:47
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Regexp Java for password validation
...?=\S*?[0-9])(?=\S*?[a-z])(?=\S*?[A-Z])(?=\S*?[@#$%^&+=])\S{8,}\z
But now for the really important issue: none of the answers mentions the fact that the original question seems to be written by somebody who thinks in ASCII. But in Java strings are Unicode. Are non-ASCII characters allowed in ...
Debugging App When Launched by Push Notification
...n XCode < 4.0 (for XCode >= 4, see answer by delirus below), you can now configure Xcode to attach the debugger to the app after you launch it, instead of launching the app through the debugger. This lets you debug things that vary based on the launch state of your application, such as URL sch...
What is the difference between '/' and '//' when used for division?
...--> 2 Python 2.7
print (4/2) ----> 2.0 Python 3.5
Now if you want to have (in python 2.7) same output as in python 3.5, you can do the following:
Python 2.7.10
from __future__ import division
print (2/3) ----> 0.6666666666666666 #Python 2.7
print (4/2) ----> 2....
Compelling examples of custom C++ allocators?
...
The original link is now defunct, but CiteSeer has the PDF: citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.71.8289
– Arto Bendiken
Apr 4 '13 at 1:06
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Why are exclamation marks used in Ruby methods?
...downcase, but no change in value of foo.
=> foo #call the variable foo now.
"BEST DAY EVER" #variable is unchanged.
=> foo.downcase! #call destructive version.
=> foo #call the variable foo now.
"best day ever" #variable has been mutated in place.
But if you ever called a method down...
Which .NET Dependency Injection frameworks are worth looking into? [closed]
...pesky XML config you had to write! They're pretty much all moving this way now, so I have been using StructureMap for the last year or so, and since it has moved to a fluent config using strongly typed generics and a registry, my pain barrier in using IoC has dropped to below zero! I get an absolute...
Piping command output to tee but also save exit code of command [duplicate]
...han a single pipe then you'll need to check the status of each command to know where it failed.
– Joshua Olson
Aug 23 '13 at 2:11
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